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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
The .338 Rogue
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<blockquote data-quote="Pdvdh" data-source="post: 1215726" data-attributes="member: 4191"><p>I loaded and chronographed some 275gr Swift A-Frames yesterday. I had to switch to a faster burning powder with this bullet, which is seated more deeply in the casing. A maximum charge of Hodgdon Retumbo with the 275gr A-Frame in my rifle is ~ 99gr, producing a MV of 2920fps.</p><p></p><p>I loaded up to 102gr of Retumbo at ~2970fps, but the pressure at 102gr was too high for my comfort. The A-Frames are a stoutly constructed, high weight retention bullet. They also have a longer bearing surface compared to the Berger 300gr OTM. These two differences in bullet construction likely explain the lower MV, even though the bullets weigh 25gr less than the Berger 300gr OTMs.</p><p></p><p>The 275gr Swift A-Frames are the bullets I'll be carrying in the magazine of this rifle in brown/grizzly bear country.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1215726, member: 4191"] I loaded and chronographed some 275gr Swift A-Frames yesterday. I had to switch to a faster burning powder with this bullet, which is seated more deeply in the casing. A maximum charge of Hodgdon Retumbo with the 275gr A-Frame in my rifle is ~ 99gr, producing a MV of 2920fps. I loaded up to 102gr of Retumbo at ~2970fps, but the pressure at 102gr was too high for my comfort. The A-Frames are a stoutly constructed, high weight retention bullet. They also have a longer bearing surface compared to the Berger 300gr OTM. These two differences in bullet construction likely explain the lower MV, even though the bullets weigh 25gr less than the Berger 300gr OTMs. The 275gr Swift A-Frames are the bullets I'll be carrying in the magazine of this rifle in brown/grizzly bear country. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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The .338 Rogue
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